>> A stark message to the UK, you chose to leave, now leave quickly. Foreign ministers from the six founding EU countries met in Berlin Saturday, urging Britain to begin official Brexit negotiations soon.>>
> This process should get underway as soon as possible so that we're not left in limbo, but rather can concentrate on the future of Europe.
>> To leave the EU, the UK must trigger an official two year period in which to work out the divorce. But there's no deadline by which that which that must happen. Reuters Alistair MacDonald says the big powers want the process to be swift and orderly.>> There is some acceptance here that Britain will need time to organize itself, potentiate to form a new government, but there will be a eagerness to get things moving.
We've had an incantation mantras here of leave means leave.>> David Cameron will deliver formal notice of the UK's vote to Brussels on Tuesday. He says he'll step down by October and allow his successor to take the lead.>> A negotiation with the European Union will need to begin under a new prime minister.
>> But the front runner to replace him, Boris Johnson, says there's no need for haste. The vote leave campaign wants informal talks to begin first before initiating the two year countdown. Once that kicks off, there's no stopping the clock.